mongodb的or和and查询

• 或查询

User.findOne( { 
        $or:[
        {email:body.email},
        {nickname:body.nickname}
    	   ]
     },function(err,data){}
     

• 并查询

User.findOne({
	name:'zs',
	age:18

},
function(err,data) {
       
    })